The Gunner Technology Authorship plugin allows WordPress authors to add their social credentials to their articles and author pages and creates the authorship meta connection with Google+.
This article by Yoast inspired the plugin.
In addition to Google+, the plugin adds the ability to Twitter Follow, Facebook Like, Facebook Subscribe and Tungle Schedule with the author.
Questions and Requests
If you have any questions, want a feature added or anything else, please leave a comment below.
To download the plugin, head to the WordPress Codex.